BlackBerry is really upping their HTML5 partnership with Sencha for developers. They announced that the new Sencha Touch 2.3 that is being released at SenchaCon this week has a major overhaul. The new BlackBerry 10 theme in the update can now creaate BlackBerry 10 apps that “are nearly indistinguishable from native Cascades apps” according to BlackBerry. Check out the details of the update here.

BlackBerry and Sencha are doubling down on that update with an offer of a free copy of Sencha Architect ($399) and a BlackBerry Dev Alpha B device for “Qualified developers.” Check out the details at developer.blackberry.com/senchaoffer